diff --git a/leave-school-vue/build/webpack.dev.conf.js b/leave-school-vue/build/webpack.dev.conf.js
new file mode 100644
index 0000000..212d081
--- /dev/null
+++ b/leave-school-vue/build/webpack.dev.conf.js
@@ -0,0 +1,87 @@
+'use strict'
+const path = require('path')
+const utils = require('./utils')
+const webpack = require('webpack')
+const config = require('../config')
+const merge = require('webpack-merge')
+const baseWebpackConfig = require('./webpack.base.conf')
+const HtmlWebpackPlugin = require('html-webpack-plugin')
+const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
+const portfinder = require('portfinder')
+
+function resolve (dir) {
+  return path.join(__dirname, '..', dir)
+}
+
+const HOST = process.env.HOST
+const PORT = process.env.PORT && Number(process.env.PORT)
+
+const devWebpackConfig = merge(baseWebpackConfig, {
+  module: {
+    rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
+  },
+  // cheap-module-eval-source-map is faster for development
+  devtool: config.dev.devtool,
+
+  // these devServer options should be customized in /config/index.js
+  devServer: {
+    clientLogLevel: 'warning',
+    historyApiFallback: true,
+    hot: true,
+    compress: true,
+    host: HOST || config.dev.host,
+    port: PORT || config.dev.port,
+    open: config.dev.autoOpenBrowser,
+    overlay: config.dev.errorOverlay
+      ? { warnings: false, errors: true }
+      : false,
+    publicPath: config.dev.assetsPublicPath,
+    proxy: config.dev.proxyTable,
+    quiet: true, // necessary for FriendlyErrorsPlugin
+    watchOptions: {
+      poll: config.dev.poll,
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env': require('../config/dev.env')
+    }),
+    new webpack.HotModuleReplacementPlugin(),
+    new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
+    new webpack.NoEmitOnErrorsPlugin(),
+    // https://github.com/ampedandwired/html-webpack-plugin
+    new HtmlWebpackPlugin({
+      filename: 'index.html',
+      template: 'index.html',
+      inject: true,
+      favicon: resolve('favicon.ico'),
+      title: 'vue-element-admin'
+    }),
+  ]
+})
+
+module.exports = new Promise((resolve, reject) => {
+  portfinder.basePort = process.env.PORT || config.dev.port
+  portfinder.getPort((err, port) => {
+    if (err) {
+      reject(err)
+    } else {
+      // publish the new Port, necessary for e2e tests
+      process.env.PORT = port
+      // add port to devServer config
+      devWebpackConfig.devServer.port = port
+
+      // Add FriendlyErrorsPlugin
+      devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
+        compilationSuccessInfo: {
+          messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
+        },
+        onErrors: config.dev.notifyOnErrors
+        ? utils.createNotifierCallback()
+        : undefined
+      }))
+
+      resolve(devWebpackConfig)
+    }
+  })
+})